Machine for cutting and trimming webs of material



2.Sheets-Sheet l.

No. 6l8,287. Patente'd lan. 2-4, I899.-

R. L. PATTERSON. MACHINE FUR CUTTING AND TRIMMING WEBS 0F MATERIAL.

(Application filed Feb. 26, 1898.)

(No Model.)

; No. s|s,2s7. A Patented Ian. 24, I899.

R. L. PATTERSON.

(Application filed Feb. 26, 1898.)

3 (No e 2 SheetsSheet 2. x 1 Q I A K J' 7\[ A? 1 P Z 7M .KJ a 3 O i 0 5 a 7a 2 27/6, 6 F A wibweoow. 0944/9067 61 owe/1 STATES RUFUS LENOIR PATTERSON, OF DURHAM, NORTH CAROLINA.

MACHINE FOR CUTTING AND TRIMMING WEBS OF MATERIAL.

SPECIFICATION forming part of Letters Patent No, 618,287, dated January 24,1899. Application filed February 26, 1898. Serial No. 671,797. (No model.)

To all whom it may concern:

Be it known that 1, Bonus LENOIR Parrna SON, a citizen of the United States, residing at Durham, in the county of Durham and State of North Carolina, have invented certain new and useful Improvements in Machines for Cutting and Trimming Webs of Material, of which the following is a specification.

My present invention pertains to an improved apparatus for trimming off the edges of rolls of cloth and the like and dividing the trimmed portion into two or more strips or webs, as may be desired.

The machine is illustrated in the annexed drawings, wherein Figure 1 is a perspective view of the device, partlyin section Fig. 2, a side elevation; Fig. 3, a front end view, and Figs. 4 and 5 detail views of certain parts or portions of the apparatus.

In the manufacture of bags by machinery, as is now extensively practiced, it is absolutely essential to a perfect and marketable product that the web of material from which the bags are made shall be of the same width throughout its length. As the cloth comes from the mill this condition does not exist, and it is therefore necessary to trim the goods, so as to bring about this condition of afiairs, and also at times to divide the trimmed cloth into two or more webs.

The object of my invention is to provide a machine which will do this work accurately and cheaply with as little handling of the goods as possible.

To this end I have constructed a machine which will now be described.

In the drawings, A denotes the main frame, the upper front cross-barB of which is curved or rounded off, as shown in Fig. 1. Pivoted to the front of the main frame below said bar is a pendulous frame or support for the roll of material C which is to be trimmed and severed. Said pendulous frame comprises two arms D, pivoted at their upper ends to the uprights of the main frame and pivotally connected at their lower ends by a cross-arm E, suitable bearings F being provided on the arms D for the supporting-shaft of roll O.

F indicates a lever pivoted at its lower end to a projection of the main frame A, said lever extending up into a position easy of access to the operator and being connected to the pendulous frame through a link connection G, Fig. 3.

The cloth passes up from the roll over the curved rail or cross-bar B, Where one edge of it bears or runs against a pin II, set in said cross bar, thence between two rollers I J, journaled upon the frame A one above the other. The cloth is then passed downward beneath a third roller K, which is in a plane somewhat lower than the rollers just alluded to. From this point the cloth passes back toward the rear of the machine, passing the cutting-blades L and M and going under a roller N, the severed strips 0 and P being finally wound upon suitable spools or bobbins Q, removably mounted upon shafts R and S. The edge of the cloth that is to be trimmed off is acted upon by the rotating cutter L, and to insure the proper feeding or presentation of the edge to the cutter I employ two flat plates 0. a, which are held a slight distance apart and carried by a bracket 2), which in turn is ad justably secured upon a stud, shaft, or arm 0, extending from the frame. The forward edges of these plates as will be seen upon ref erence to Figs. 1 and 2, are slightly flared in order that the cloth may pass freely in between them. The space or opening between said plates is in alinement withthe lower edge of the roller K,.as will be clearly seen upon reference to Fig. 2, and inasmuch as said roller and roller N are in the same horizontal plane the cloth is held taut and presented evenly to the cutters. The plates at are slotted, as at cl, from the rear end forward, and the cutter L passes through and works in said slots.

To provide for the proper withdrawal of the severed edge or strip from between the plates and to prevent its winding up about the cut ter or clogging the passage or space between the plates, there is provided an arm or rod 6, which is supported by an arm f, secured to the frame, the rod inclining upwardly and extending intothe slot alongside the blade L upon that side next the edge to be severed. It extends forward to the edge of the cutter at that point where the cutter severs the cloth, so that the severed edge passes down beneath too the end of said arm and is withdrawn from between the plates should the edge be Wide enough to extend in between them.

A suitable shaft g is provided in the base of the frame, having a fast and aloose pulley mounted thereon. At one end of said shaft a large pulley 72, is provided, and around this pulley and a smaller pulley 2', secured to the cutter-carryin g shaft j, a suitable driving-belt is passed. The other end of shaft 9 carries two small pulleys, from which belts pass to larger pulleys k and Z, mounted, respectively, upon the shafts R and S.

A belt-shifter m is provided for throwing the driving-belt onto or off of the fast pulley,

the shifter being arranged near the lever F,

so that both of said parts may be in easy reach of the operator.

Preferably a receptacle 7% is placed at the rear of the machine for the reception of the bobbins or shafts upon which the rolls are wound, and a shelf 0 extends forward from said receptacle up toward the cross-bar B, said shelf serving to catch the severed edge as it drops down.

The bobbins or spools Q are preferably formed as shown in detail in Fig. 4, wherein it will be seen that they are provided with a longitudinal groove 19, into which the cloth is forced and held by a rod g. This is but one of the many ways in which the cloth could be held to the roller andis shown for the purpose of illustration only.

In operation the cloth is drawn from the roll 0 and passed between the rolls I and J, as indicated, and below roll K. The cloth is then slitted, passed beneath roller N, and the ends of the webs Oand P secured to the bobbins or spools Q. The machine is then ready for operation, and the attendant by manipulating lever 1*" brings the straight edge of the cloth against the pin H and then throws the driving-belt onto the fast pulley. Motion is imparted to the shafts R and S and to the cutters in the direction indicated by the arrows in Fig. 2, the cloth being drawn off the roll, the uneven edge being severed by the cutter L, and the strip being divided into two webs O and P. All that is necessary for the attendant to do is to see that the edge of the cloth is held up against the pin H and to stop the machine when the end of the cloth is reached.

It is manifest that the strip may be divided into any desired number of webs by placing the requisite number of cutters upon the cutter shaft or spindle.

Throughout the specification Ihave spoken of a roll of cloth as the material under treatment, though of course it is apparent that any other material may be run through the machine, and I do not, therefore, desire to limit the use of the machine to the trimming and severing of astrip of cloth.

Having thus described my invention, what I claim is-- 1. In a machine for cuttinga web of material, the combination of a suitable frame, a gage extending up therefrom; a pendulous support for the roll of material to be cut; means for swinging said frame toward and from the gage; acutter; and means for drawing the material from the roll past the gage and the cutter.

2. In a machine for cuttinga web of material, the combination of a suitable frame; a rounded face over which the web passes; a gage extending up from said face; a pendulous support for a roll of material; means for swinging said frame toward and from the gage; a cutter; and means for drawing the web from the roll over the rounded face past the cutter.

3. In a machine for cuttinga web of material, the combination of a suitable frame; a rounded face formed at one end of the frame; agage-pin extending up from said face at or near one end thereof; a pendulous support for the roll of material; means for swinging said frame toward and from said pin; a cutter; and a rotary bobbin for drawing the cloth from the roll past the cutter.

4:. In a machine for cutting a web of material, -the combination of a suitable frame; a rounded face at one end thereof; a gage-pin extending up from said face; a pendulous support for the roll of material; means for swinging said frame toward or from the gagepin; rotary bobbins Q, Q, for receiving the cloth; and cutters located at a point intermediate the rounded face and the bobbins.

5. In a machine for cuttinga web of material, the combination of a suitable frame; a rounded cross-bar B at one end thereof; a pin H extending up from said bar; rollers I, J, journaled in the frame one above the other and contiguous to said bar B; roller K also journaled in the frame in a plane below the other rollers; a roller N; a cutter intermedi ate said rollers K and N; a pendulous support for the roll of material to be severed; and means for drawing the material from said roll, substantially as described.

6. In a machine for cutting a web of material, the combination of a support comprising two slotted plates arranged one above the other; a cutter working in the slot; and an arm or rod extending up into said slot to one side of the cutter, substantially as and for the purpose described.

7. In a machine for cutting a web of material, the combination of a support comprising two slotted plates arranged one above the other; a rotary cutter Working in said slot; and an adjustable arm or rod extending into said slot to one side of the cutter, substan- I tially as and for the purpose described.

8. In a machine for cutting a web of material, the combination of a support comprising two slotted plates arranged one above the other; an adjustable support for said plates; a rotary cutter working in the slots of said plates; and a rod extending up from beneath the plates into said slots beside the cutter to the forward edge thereof.

9. In a machine for cutting a web of material, the combination of a suitable frame; a pendulous support for a roll of material to be cut; a gage-pin secured in the frame and against which the material is to be held and guided; a support for the edge of the material, comprising two stotted plates between which the edge of the material passes; a cutter working in said slots; and an arm extending upwardly into the slots to one side of the cutter, substantially as and for the purpose described.

10. In a machine for cutting a web of material, the combination of a suitable frame; a rounded cross-bar B at one end thereof; a pin II extending up from said cross-bar near one end thereof; a pendulous roll-support comprising arms C, O, pivoted to the frame and 4 connected to each other by a rod E; a lever F connected to said support; rotary shafts R, S, for receiving winding spools or bobbins; cutters L, M, located intermediate the cross-bar B and the shafts; and a guide for the edge of the cloth contiguous to cutter L, substantially as described.

11. In a machine for cutting a Web of material, the combination of a suitable frame; a rounded cross-bar B at one end thereof; a pin H extending up from one end of said bar; a pendulous support for the roll of material to be severed; meansfor swinging said support; rollers I, J journaled in the frame one above the other; roller K journaled in the frame below said rolls I, J, and in rear thereof; a guide for one edge of the cloth comprising the slotted plates a, a; cutters L, M; roller N journaled in the frame in rear of the cutters; shafts R, S; and means for imparting motion to the cutters and said shafts.

In witness whereof I hereunto set my hand in the presence of two witnesses.

RUFUS LENOIR PATTERSON.

Witnesses:

WM. LYNCH, WM. B. GUTHRIE. 

